condition mean min max 2 h after light 0.2948751666666667 0.133153 0.388214 6 h after light 0.23754113333333332 0.0617038 0.461992 10 h after light 0.4065183333333333 0.114025 0.813981 14 h after light 0.3741578333333333 0.179861 0.541083 18 h after light 0.43366604999999997 0.0708823 0.664723 2 h after dark 0.129705 0.0 0.292324